docs: def load_configuration(linter):
      """
      Amend existing checker config.
      """
      name_checker = get_checker(linter, NameChecker)
      name_checker.config.good_names += ('qs', 'urlpatterns', 'register', 'app_name', 'handler500')
  
      # we don't care about South migrations
      linter.config.black_list += ('migrations', 'south_migrations')